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Notifiable Disease Investigations

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The Sedgwick County Health Department's (SCHD) Epidemiology Program tracks and investigates infectious diseases that must be reported by law. These “notifiable” diseases are reported by doctors and laboratories because they can affect the health of the community.

Notifiable Disease Graph

This graph shows weekly disease investigations by Sedgwick County Epidemiologists. See the table below the graph for the list of diseases included.

The graph shows the number of disease investigations conducted by the Epidemiology Program at the Sedgwick County Health Department, categorized by mode of transmission, from April 11, 2026 through May 16, 2026. Bloodborne illness investigations decreased from 7 cases in the week ending April 11, 2026 to 4 cases in the week ending May 16, 2026. Investigations of foodborne and waterborne illnesses also declined from 2 cases to 1 case over the same period. In contrast, respiratory illness investigations increased from 1 case to 4 cases. Vector-borne illness investigations decreased from 1 case to none reported cases during the timeframe.

Notifiable Disease Surveillance by Transmission Table

Transmission (Spread) Sedgwick County
Notifiable Disease Surveillance*
Blood hepatitis** B and hepatitis C
Contaminated Food or Water amebiasis, cholera, campylobacteriosis, giardiasis, hepatitis A, legionellosis, listeriosis, salmonellosis, Shiga toxin-producing Escherichia coli, shigellosis, typhoid fever
Respiratory (Cough/Sneeze) Haemophilus influenzae invasive disease, measles, mumps, pertussis (whooping cough), rabies, rubella, Streptococcus pneumoniae invasive disease, varicella (chickenpox)
Vector
(Tick or Mosquito)		 anaplasmosis, ehrlichiosis, dengue fever, hantavirus pulmonary syndrome (HPS), Lyme disease, malaria, Q fever, Rocky Mountain spotted fever, tularemia, West Nile virus
   

*Refer to the Disease Investigation Guidelines on the Kansas Department of Health and Environment's (KDHE's) website for a complete list of notifiable diseases and more information about each disease.

**Hepatitis investigations include past or recent infection. Most cases investigated are people who test positive for hepatitis but have no symptoms.

A subset of the investigations shown on the SCHD website will be cases that meet certain standardized public health definitions.

The subset was published by county by the Bureau of Epidemiology and Public Health at the Kansas Department of Health and Environment through June 2020. (https://www.kdhe.ks.gov/Archive.aspx?AMID=87).

National provisional case counts are published in the Center for Disease Control and Prevention's Morbidity and Mortality Weekly Report tables at https://www.cdc.gov/nndss/infectious-disease/weekly-and-annual-disease-data-tables.html. 

Case Definitions are found at https://ndc.services.cdc.gov/.

Rev. 5/24